July 2018
Intermediate to advanced
242 pages
8h 6m
English
Content preview from Kotlin Standard Library Cookbook
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How to do it...
- Import the File.separator constant and assign an alias to it:
import java.io.File.separator as SEPARATOR
- Specify the path to the new file we are going to create:
val fileName = "src${SEPARATOR}main${SEPARATOR}resources${SEPARATOR}temp_file"
- Instantiate the file using the specified file path:
val fileName = "src${SEPARATOR}main${SEPARATOR}resources${SEPARATOR}temp_file"val file = File(fileName)
- Delete the file if it already exists:
val fileName = "src${SEPARATOR}main${SEPARATOR}resources${SEPARATOR}temp_file"val file = File(fileName)if (file.exists()) file.delete()
- Append the file with the next String values:
val fileName = "src${SEPARATOR}main${SEPARATOR}resources${SEPARATOR}temp_file"val file = File(fileName)if ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.